Mulch Materials

Check here if you would like to receive notifications every time this question is answered.

You are subscribed to receive notifications whenever this question is answered.

ANSWERS

DowntoearthdigsCertified GKH Gardening Expert

Answered on January 29, 2018

The oil itself will not be harmful to the soil and plants, but adding oil to mulch or compost can potentially attract pests like rats and mice to the area as they seek out high caloric sources like oil.